<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <script src="./vue.js"></script>
</head>
<body>
    <div id="app">
        这个游戏机是:{{price}},含税价格{{price1}}元,折合人民币{{price2}}元。
        <button @click="btnclick(10800)">含税价格10800</button>
    </div>
</body>
<script>
    var vm=new Vue({
        el:"#app",
        data:{
            price:9999
        },
        methods:{
            btnclick(newprice){
                this.price1=newprice;
            }
        },
            computed:{
               price1:{
                    //return Math.round(this.price*1.08);
              
                    get:function(){
                        return this.price*1.08;
                    },
                    set:function(value){
                        return this.price=value/1.08;
                    },
               },
               price2:function(){
                    return Math.round( this.price/16.75);
                    
               }
            }
        
    })
</script>
</html>